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Veolia wins the contract to extend and bring up to standard the Bonneuil-en-France wastewater treatment plant

The Le Croult and Le Petit Rosne valleys (Val d'Oise) intermunicipal association for water management (SIAH) has chosen Veolia to extend and bring up to standard the Bonneuil-en- France wastewater treatment plant. This ten-year contract will in particular increase the plant’s treatment capacity from 350,000 to 500,000 Population Equivalent (PE).

The SIAH, which is composed of 33 municipalities and an urban area in eastern Val d’Oise, has just awarded Veolia the design, build, operation and maintenance of the extension of its Bonneuil-en-France wastewater treatment plant. The Group will also be responsible for bringing the current plant up to standard.

Recovering materials and energy

The aim of the project - called Morée Énergie Eau” (Moree Water Energy) – is to increase the performance, sustainability and environmental quality of the facilities. It will enable SIAH to fulfill its new missions as laid down under the ongoing territorial reform in relation to managing collection networks, aquatic environments, flood prevention, and wastewater systems not connected to a municipal network.
The innovative project will benefit from Veolia's latest technological advances in biological wastewater treatment.

In an industrial ecology approach, the biogas (biomethane) produced will be reinjected into the French natural gas distribution network (GRDF), and the heat recovered from the wastewater will be used to heat the plant’s offices and the technical buildings.